netdev - Re: unlock iptables in netns

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Message-ID: <48564CA4.6050005@trash.net>
Date:	Mon, 16 Jun 2008 13:21:08 +0200
From:	Patrick McHardy <kaber@...sh.net>
To:	Pavel Emelyanov <xemul@...nvz.org>
CC:	Alexey Dobriyan <adobriyan@...il.com>,
	netfilter-devel@...r.kernel.org, netdev@...r.kernel.org,
	devel@...nvz.org, den@...nvz.org
Subject: Re: unlock iptables in netns

Pavel Emelyanov wrote:
> Patrick McHardy wrote:
>> Alexey Dobriyan wrote:
>>> On Mon, Jun 16, 2008 at 12:26:03PM +0200, Patrick McHardy wrote:
>>>> By the way, is there already work done for conntrack/NAT namespace
>>>> support? I have this patch that uses marks for something very similar
>>>> that should be easy to adjust.
>>> Yes, right now I'm fighting something which looks like double free
>>> of conntrack during clone(CLONE_NEWNET)/exit test despite none created
>>> in netns. And unknown to me dimensions of input and output packet codepaths.
>>> :^)
>>>
>>> Preliminaty details:
>>> 	struct nf_conn::ct_net which pins netns
>>  From the VLAN code, I thought namespaces could also be identified
>> numerically. That would reduce the size increase of struct nf_conn.
> 
> Numerically? I made VLAN-s netnsization, but everything was spinning
> around the struct net *pointer*. Can you elaborate on this?

I think I just misunderstood the meaning of vlan_net_id.
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